@article{DAN_1995_342_5_a10, author = {O. V. Yakubovich and O. K. Melnikov and V. S. Urusov}, title = {The framework of mixed nature in $\mathrm{Na}_3\{\mathrm{Fe}_2\mathrm{Fe}_3[\mathrm{PO}_4]_2\}$ crystal structure -- a new homeotype in the series of natisite}, journal = {Doklady Akademii Nauk}, pages = {615--620}, publisher = {mathdoc}, volume = {342}, number = {5}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_342_5_a10/} }